import pygame import random import sys # 初始化pygame pygame.init() WIDTH, HEIGHT = 900, 600 screen = pygame.display.set_mode((WIDTH, HEIGHT)) pygame.display.set_caption("Plants vs Zombies Demo") clock = pygame.time.Clock() FPS = 60 # 颜色常量 WHITE = (255, 255, 255) BLACK = (0, 0, 0) GREEN = (34, 139, 34) DARK_GREEN = (0, 100, 0) YELLOW = (255, 215, 0) RED = (178, 34, 34) BROWN = (139, 69, 19) SKY_BLUE = (135, 206, 235) GRASS_GREEN = (102, 204, 102) # 草坪网格参数 GRID_WIDTH = 100 GRID_HEIGHT = 100 ROW_NUM = 5 COL_NUM = 9 OFFSET_X = 50 OFFSET_Y = 50 # 【核心修复】使用 pygame.font.Font(None, size)，不走sysfont，彻底避开报错 font = pygame.font.Font(None, 24) small_font = pygame.font.Font(None, 18) # 全局游戏数据 sun = 50 plant_list = [] zombie_list = [] bullet_list = [] game_over = False selected_plant = None # 植物属性配置 PLANT_CONFIG = { "sunflower": {"cost": 50, "hp": 100, "produce_sun": True, "damage": 0, "color": YELLOW}, "peashooter": {"cost": 100, "hp": 100, "produce_sun": False, "damage": 25, "color": GREEN} } class Plant: def __init__(self, row, col, plant_type): self.row = row self.col = col self.x = OFFSET_X + col * GRID_WIDTH self.y = OFFSET_Y + row * GRID_HEIGHT self.type = plant_type self.hp = PLANT_CONFIG[plant_type]["hp"] self.max_hp = self.hp self.cost = PLANT_CONFIG[plant_type]["cost"] self.color = PLANT_CONFIG[plant_type]["color"] self.produce_sun = PLANT_CONFIG[plant_type]["produce_sun"] self.damage = PLANT_CONFIG[plant_type]["damage"] self.timer = 0 def update(self, dt): self.timer += dt if self.produce_sun and self.timer >= 5000: global sun sun += 25 self.timer = 0 if not self.produce_sun and self.timer >= 2000: has_zombie = any(z.row == self.row for z in zombie_list) if has_zombie: bullet_list.append(Bullet(self.x + GRID_WIDTH, self.y + GRID_HEIGHT // 2)) self.timer = 0 def draw(self): pygame.draw.rect(screen, self.color, (self.x + 10, self.y + 10, GRID_WIDTH - 20, GRID_HEIGHT - 20), border_radius=10) hp_ratio = self.hp / self.max_hp pygame.draw.rect(screen, RED, (self.x + 10, self.y, GRID_WIDTH - 20, 6)) pygame.draw.rect(screen, GREEN, (self.x + 10, self.y, (GRID_WIDTH - 20) * hp_ratio, 6)) class Bullet: def __init__(self, x, y): self.x = x self.y = y self.speed = 6 self.radius = 8 self.damage = 25 def update(self): self.x += self.speed def draw(self): pygame.draw.circle(screen, BROWN, (int(self.x), int(self.y)), self.radius) class Zombie: def __init__(self, row): self.row = row self.x = OFFSET_X + COL_NUM * GRID_WIDTH self.y = OFFSET_Y + row * GRID_HEIGHT self.hp = 150 self.max_hp = self.hp self.speed = 0.4 self.eat_timer = 0 self.damage = 25 def update(self, dt): block_plant = None for p in plant_list: if p.row == self.row and p.x < self.x: if block_plant is None or p.x > block_plant.x: block_plant = p if block_plant: self.eat_timer += dt if self.eat_timer >= 1000: block_plant.hp -= self.damage self.eat_timer = 0 else: self.x -= self.speed if self.x < OFFSET_X: global game_over game_over = True def draw(self): pygame.draw.rect(screen, (180, 60, 60), (self.x + 10, self.y + 10, GRID_WIDTH - 20, GRID_HEIGHT - 20), border_radius=12) hp_ratio = self.hp / self.max_hp pygame.draw.rect(screen, BLACK, (self.x + 10, self.y, GRID_WIDTH - 20, 6)) pygame.draw.rect(screen, (70, 220, 70), (self.x + 10, self.y, (GRID_WIDTH - 20) * hp_ratio, 6)) def draw_grass(): for r in range(ROW_NUM): for c in range(COL_NUM): rect = (OFFSET_X + c * GRID_WIDTH, OFFSET_Y + r * GRID_HEIGHT, GRID_WIDTH, GRID_HEIGHT) if (r + c) % 2 == 0: pygame.draw.rect(screen, GRASS_GREEN, rect) else: pygame.draw.rect(screen, DARK_GREEN, rect) pygame.draw.rect(screen, BLACK, rect, 1) def draw_shop(): # 向日葵按钮 pygame.draw.rect(screen, YELLOW, (20, 10, 80, 60)) txt1 = small_font.render("Sun(50)", True, BLACK) screen.blit(txt1, (23, 32)) # 豌豆按钮 pygame.draw.rect(screen, GREEN, (120, 10, 80, 60)) txt2 = small_font.render("Pea(100)", True, BLACK) screen.blit(txt2, (123, 32)) # 阳光数值 sun_text = font.render(f"Sun: {sun}", True, YELLOW) screen.blit(sun_text, (260, 20)) # 选中边框 if selected_plant == "sunflower": pygame.draw.rect(screen, WHITE, (20, 10, 80, 60), 3) elif selected_plant == "peashooter": pygame.draw.rect(screen, WHITE, (120, 10, 80, 60), 3) def main(): global sun, selected_plant, game_over zombie_spawn_timer = 0 while True: dt = clock.tick(FPS) screen.fill(SKY_BLUE) for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() sys.exit() if event.type == pygame.MOUSEBUTTONDOWN and not game_over: mx, my = pygame.mouse.get_pos() # 选择植物 if 20 < mx < 100 and 10 < my < 70: selected_plant = "sunflower" elif 120 < mx < 200 and 10 < my < 70: selected_plant = "peashooter" # 种植植物 if OFFSET_X < mx < OFFSET_X + COL_NUM*GRID_WIDTH and OFFSET_Y < my < OFFSET_Y + ROW_NUM*GRID_HEIGHT: col = (mx - OFFSET_X) // GRID_WIDTH row = (my - OFFSET_Y) // GRID_HEIGHT exists = any(p.row == row and p.col == col for p in plant_list) if not exists and selected_plant: cost = PLANT_CONFIG[selected_plant]["cost"] if sun >= cost: sun -= cost plant_list.append(Plant(row, col, selected_plant)) selected_plant = None if game_over: over_surface = font.render("GAME OVER! Brain Eaten", True, RED) screen.blit(over_surface, (WIDTH//2 - 210, HEIGHT//2)) pygame.display.update() continue # 生成僵尸 zombie_spawn_timer += dt if zombie_spawn_timer >= 8000: zombie_spawn_timer = 0 rand_row = random.randint(0, ROW_NUM - 1) zombie_list.append(Zombie(rand_row)) # 更新植物 for plant in plant_list[:]: plant.update(dt) if plant.hp <= 0: plant_list.remove(plant) # 更新子弹 + 碰撞 for bullet in bullet_list[:]: bullet.update() if bullet.x > WIDTH: bullet_list.remove(bullet) continue for zom in zombie_list[:]: dist = ((bullet.x - (zom.x + GRID_WIDTH/2))**2 + (bullet.y - (zom.y + GRID_HEIGHT/2))**2)**0.5 if dist < 40: zom.hp -= bullet.damage bullet_list.remove(bullet) if zom.hp <= 0: zombie_list.remove(zom) break # 更新僵尸 for zom in zombie_list: zom.update(dt) # 渲染所有画面 draw_grass() draw_shop() for p in plant_list: p.draw() for z in zombie_list: z.draw() for b in bullet_list: b.draw() pygame.display.flip() if __name__ == "__main__": main()